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$479+ Cheap flights from Montana to Vietnam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SGN
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap flight deals from Montana to Vietnam

Cheapest flights from Montana to Vietnam
Explore the most affordable flight options available from Montana to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.

This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:57 pm
BIL
-
SGN
3 stops39h 08m
United Airlines
Wed 10/2111:15 pm
SGN
-
BIL
3 stops50h 58m
United Airlines
Deal found 3/18$959
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:30 pm
BIL
-
SGN
3 stops44h 25m
United Airlines
Thu 11/57:30 am
SGN
-
BIL
2 stops29h 11m
United Airlines
Deal found 3/19$984
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:05 am
BIL
-
SGN
3 stops28h 00m
United Airlines
Tue 5/197:00 am
SGN
-
BIL
3 stops43h 23m
United Airlines
Deal found 3/19$987
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:51 pm
BIL
-
SGN
3 stops39h 14m
United Airlines
Mon 5/1811:15 pm
SGN
-
BIL
3 stops51h 08m
United Airlines
Deal found 3/18$994
This Gurufare deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:05 am
BIL
-
SGN
2 stops28h 00m
ANA
Tue 5/197:00 am
SGN
-
BIL
2 stops43h 23m
ANA
Deal found 3/22$996
This Gurufare deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:51 pm
BIL
-
SGN
2 stops39h 14m
ANA
Mon 5/1811:15 pm
SGN
-
BIL
2 stops51h 08m
ANA
Deal found 3/18$1,004
This FlightHub deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:06 pm
BIL
-
SGN
2 stops31h 09m
Multiple Airlines
Thu 5/1411:30 am
SGN
-
BIL
2 stops25h 03m
Multiple Airlines
Deal found 3/18$1,034
This Korean Air deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:25 am
FCA
-
DAD
2 stops43h 55m
Korean Air
Wed 9/910:55 pm
DAD
-
FCA
2 stops37h 07m
Korean Air
Deal found 3/20$1,447
This Korean Air deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:25 am
FCA
-
DAD
2 stops26h 40m
Korean Air
Sat 10/33:55 pm
DAD
-
FCA
2 stops44h 07m
Korean Air
Deal found 3/19$1,494

Find flight deals from Montana to Vietnam

Keep the following information in mind while searching for Montana to Vietnam flight deals. Data was last updated March 23, 2026.

Round-trip from

$987
(United Airlines)

One-way from

$479
(Kiwi.com)
From Montana to Vietnam
Search Deals
One-way flight from Montana to Vietnam
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Vietnam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from Montana to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 5/5

5:05 am-10:05 pm

3 stops28h 00m

Ho Chi Minh City

Tue 5/19

7:00 am-1:23 pm

3 stops43h 23m

$987

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 5/4

5:51 pm-10:05 pm

3 stops39h 14m

Ho Chi Minh City

Mon 5/18

11:15 pm-1:23 pm

3 stops51h 08m

$994

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 5/4

5:51 pm-10:05 pm

2 stops39h 14m

Ho Chi Minh City

Mon 5/18

11:15 pm-1:23 pm

2 stops51h 08m

$1,004

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 5/4

2:06 pm-10:15 am

2 stops31h 09m

Ho Chi Minh City

Thu 5/14

11:30 am-11:33 pm

2 stops25h 03m

$1,034

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 5/4

5:51 pm-10:05 pm

3 stops39h 14m

Ho Chi Minh City

Fri 5/15

7:00 am-9:40 am

3 stops39h 40m

$1,046
Quickest round-trip

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 5/5

5:05 am-10:05 pm

2 stops28h 00m

Ho Chi Minh City

Tue 5/19

7:00 am-8:57 pm

3 stops26h 57m

$1,146

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 5/4

5:51 pm-10:05 pm

3 stops39h 14m

Ho Chi Minh City

Thu 5/14

7:00 am-8:57 pm

3 stops26h 57m

$1,166

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Sat 9/5

5:45 am-11:15 pm

2 stops28h 30m

Ho Chi Minh City

Tue 9/8

1:55 pm-10:27 pm

2 stops45h 32m

$1,247

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 5/4

5:05 am-10:05 pm

2 stops28h 00m

Ho Chi Minh City

Fri 5/15

7:00 am-1:23 pm

1 stop43h 23m

$1,363

KalispellDa Nang

FCA - DAD

FCADAD

Kalispell Glacier Park

Sat 9/5

5:25 am-2:20 pm

2 stops43h 55m

Da Nang

Wed 9/9

10:55 pm-11:02 pm

2 stops37h 07m

$1,447

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 14 resultsSorted by cheapest first
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Best time to book a flight from Montana to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Montana with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montana to Vietnam
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Montana to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montana to Vietnam?

    For as low as $987, United Airlines can have you in Vietnam from Montana in 28h. The distance between Montana and Vietnam is about 7950 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Montana to Vietnam that include hotel bookings?

    Yes. In addition to deals on Montana to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to Vietnam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Vietnam.

  • Can I find deals for business class flights from Montana to Vietnam?

    Yes. Cheapflights offers flight deals from Montana to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Montana to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Montana to Vietnam

Discover the top 2 airlines that operate flights from Montana to Vietnam. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$839Average$1,349FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$968Average$1,244FlexibilityNo cancel feeOn-time74%

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